tcgberg
tcgberg
Plans

Koffing #51, Normal, Traditional Chinese Base Set

Traditional Chinese edition

  • Card number: #51/102
  • Finish: Non-Holo

A PSA 9 Koffing #51 Normal from Traditional Chinese Base Set has a TCGBerg fair value of $62 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Mar 23, 2026. PSA has graded 2 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$62down 0.1%30-day change

TCGBerg Algorithm (estimated from recorded sales).

2 sales · latest Mar 23, 2026

Fair value3 months
Last sale$37Mar 23, 202640.6% below fair
5-sale avg$37last 5 sales
Population · PSA 9
2
Market cap
$125
Volatility
4.1%
YTD
↑ 632.5%
Sales evidence
Sparse

TCGBerg fair value · PSA 9

$62

30D0.1%YTD632.5%
Sales evidenceSparse

Based on 2 recorded sales. Latest sale: Mar 23, 2026.

Market cap
$125
fair value x population
Population
2
graded copies
Last sale
$37
-40.6% vs fair
5-sale avg
$37
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 9 sale, $37 on Mar 23, 2026, sits 40.6% below the $62 fair value. The value rests on 2 recorded PSA 9 sales. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $47 to $78. A PSA 10 ($67) is worth 1.1 times a PSA 9 ($62). Over the past 30 days the PSA 9 value has fallen 0.1%. With sparse sales evidence, read the gap and the band as rough guides.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

Behind the scenes

What goes into this price, and how much we know.

Recent sales

2 tracked

Each sale against the grade's fair value on the day it sold.

  • $20
    Oct 19, 2026 · via Fanatics Collect
    PSA7below fair value by 17.8%
  • $37
    Mar 23, 2026 · via eBay
    PSA9above fair value by 14.9%

All grades matrix

Every grade we track for this printing.

  • PSA10$67
    1d 0.0%7d 5.3%30d 7.2%
    Pop
    0
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • PSA9$62
    1d 0.0%7d 0.1%30d 0.1%
    Pop
    2
    Mcap
    $125
    Evidence
    Sparse
    Last
    $37
  • PSA8$37
    1d 0.0%7d 0.0%30d 41.0%
    Pop
    1
    Mcap
    $37
    Evidence
    Sparse
    Last
    -
PSA10$670-up 5.3%up 7.2%up 86.7%Sparse-
PSA9$622$125up 0.1%down 0.1%up 83.2%Sparse$378mo ago
PSA8$371$370.0%down 41.0%up 14.0%Sparse-
PSA7$252$510.0%down 59.3%up 79.4%Sparse$204w ago
PSA6$140-down 1.6%up 397.8%up 121.3%Sparse-

PSA population report

5 graded copies of Koffing Normal across 3 grades.

PSA 9
2 · 40%
PSA 8
1 · 20%
PSA 7
2 · 40%

PSA 9 makes up 40% of graded copies: 2 of 5. It’s the most common grade for this card.

Analysis

Koffing at PSA 10 carries a TCGBerg fair value of $67 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Traditional Chinese Base Set, from PSA 6 up to PSA 10. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 7.2%.

PSA 9 - frequently asked

How much is a PSA 9 Koffing from Traditional Chinese Base Set worth?
$62 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Koffing from Traditional Chinese Base Set. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Koffing from Traditional Chinese Base Set?
2 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Koffing from Traditional Chinese Base Set price moved recently?
Its TCGBerg fair value has fallen 0.1% over the past 30 days.
What did a PSA 9 Koffing from Traditional Chinese Base Set last sell for?
The most recent recorded sale was $37 on 2026-03-23. This recorded sale is separate from the model-derived fair value.